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interpreter: migration to universial stdlib support (without varargs yet)

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ProgramSnail 2025-01-20 23:13:42 +03:00
parent 318ebc72aa
commit 58f0bfc0b9
9 changed files with 163 additions and 119 deletions
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2
byterun/include/module_manager.h
View file

@ -24,3 +24,5 @@ int32_t mod_load(const char *name, bool do_verification); // < 0 => not found
uint32_t mod_add(Bytefile *module, bool do_verification);
struct ModSearchResult mod_search_pub_symbol(const char *name);
bool run_stdlib_func(const char *name, size_t args_count);

11
byterun/include/parser.hpp
View file

@ -37,11 +37,12 @@ enum class Cmd : int8_t {
LINE,
CALLF,
PATT,
Lread,
Lwrite,
Llength,
Lstring,
Barray,
// NOTE: no longer used
// Lread,
// Lwrite,
// Llength,
// Lstring,
// Barray,
EXIT,
_UNDEF_,
};

16
byterun/include/types.h
View file

@ -117,7 +117,7 @@ enum CMD_TOPLVL {
CMD_ST,
CMD_CTRL,
CMD_PATT,
CMD_BUILTIN,
// CMD_BUILTIN, // NOTE: no longer used
CMD_EXIT = 15,
};
@ -177,10 +177,10 @@ enum CMD_PATTS {
CMD_PATT_FUN_TAG,
};
enum CMD_BUILTINS {
CMD_BUILTIN_Lread = 0,
CMD_BUILTIN_Lwrite,
CMD_BUILTIN_Llength,
CMD_BUILTIN_Lstring,
CMD_BUILTIN_Barray,
};
// enum CMD_BUILTINS { // NOTE: no longer used
// CMD_BUILTIN_Lread = 0,
// CMD_BUILTIN_Lwrite,
// CMD_BUILTIN_Llength,
// CMD_BUILTIN_Lstring,
// CMD_BUILTIN_Barray,
// };

1
byterun/performance_check.sh
View file

@ -34,4 +34,3 @@ time ./byterun.exe -i Sort.bc > /dev/null
rm Sort.*
rm *.o
rm *.a

37
byterun/src/analyzer.cpp
View file

@ -324,7 +324,7 @@ void analyze(uint32_t mod_id) {
break;
case Cmd::CALLF: {
// TODO: find link to real function and replace call (need to save all
// modules in one space)
// modules in one space) <- optimization
ip_read_int_unsafe(&current_ip); // function name (str)
uint args_count = ip_read_int_unsafe(&current_ip);
@ -344,23 +344,24 @@ void analyze(uint32_t mod_id) {
}
++current_stack_depth;
break;
case Cmd::Lread:
++current_stack_depth;
break;
case Cmd::Lwrite:
case Cmd::Llength:
case Cmd::Lstring:
if (current_stack_depth < 1) {
ip_failure(saved_current_ip, mod_id, "not enough elements in stack");
}
break;
case Cmd::Barray:
current_stack_depth -= ip_read_int_unsafe(&current_ip); // elem count
if (current_stack_depth < 0) {
ip_failure(saved_current_ip, mod_id, "not enough elements in stack");
}
++current_stack_depth;
break;
// NOTE: no longer used
// case Cmd::Lread:
// ++current_stack_depth;
// break;
// case Cmd::Lwrite:
// case Cmd::Llength:
// case Cmd::Lstring:
// if (current_stack_depth < 1) {
// ip_failure(saved_current_ip, mod_id, "not enough elements in stack");
// }
// break;
// case Cmd::Barray:
// current_stack_depth -= ip_read_int_unsafe(&current_ip); // elem count
// if (current_stack_depth < 0) {
// ip_failure(saved_current_ip, mod_id, "not enough elements in stack");
// }
// ++current_stack_depth;
// break;
case Cmd::EXIT:
ip_failure(saved_current_ip, mod_id,
"exit should be unreachable"); // NOTE: not sure

112
byterun/src/interpreter.c
View file

@ -99,6 +99,27 @@ void run_mod_rec(uint mod_id, int argc, char **argv, bool do_verification) {
run_mod(mod_id, argc, argv);
}
static inline void call_Barray(size_t elem_count, char** ip, void** buffer) {
// size_t elem_count = ip_read_int(ip);
void **opr_buffer = (void**)(elem_count > BUFFER_SIZE
? alloc(elem_count * sizeof(void *))
: buffer);
for (size_t i = 0; i < elem_count; ++i) {
opr_buffer[elem_count - i - 1] = s_pop();
}
// s_rotate_n(elem_count);
// NOTE: not sure if elems should be added
void *array =
Barray((aint *)opr_buffer,
BOX(elem_count));
// void *array = Barray((aint *)s_peek(), BOX(elem_count));
s_push(array);
}
void run_mod(uint mod_id, int argc, char **argv) {
#ifdef DEBUG_VERSION
printf("--- module init state ---\n");
@ -463,11 +484,21 @@ void run_mod(uint mod_id, int argc, char **argv) {
case CMD_CTRL_CALLF: { // CALLF %s %d // call external function
const char *call_func_name = ip_read_string(&s.ip);
ip_read_int(&s.ip); // args count
size_t args_count = ip_read_int(&s.ip); // args count
if (run_stdlib_func(call_func_name, args_count)) {
// case of stdlib function
break;
}
if (strcmp(call_func_name, ".array") == 0) {
call_Barray(args_count, &s.ip, buffer);
break;
}
struct ModSearchResult func = mod_search_pub_symbol(call_func_name);
if (func.mod_file == NULL) {
s_failure(&s, "external function not found");
failure("RUNTIME:ERROR: external function <%s> with <%zu> args not found\n", call_func_name, args_count);
}
call_happened = true;
@ -519,52 +550,53 @@ void run_mod(uint mod_id, int argc, char **argv) {
}
break;
case CMD_BUILTIN: {
switch (l) {
case CMD_BUILTIN_Lread: // CALL Lread
s_push_i(Lread());
break;
// NOTE: no longer used
// case CMD_BUILTIN: {
// switch (l) {
// case CMD_BUILTIN_Lread: // CALL Lread
// s_push_i(Lread());
// break;
case CMD_BUILTIN_Lwrite: // CALL Lwrite
Lwrite(*s_peek_i());
break;
// case CMD_BUILTIN_Lwrite: // CALL Lwrite
// Lwrite(*s_peek_i());
// break;
case CMD_BUILTIN_Llength: // CALL Llength
s_push_i(Llength(s_pop()));
break;
// case CMD_BUILTIN_Llength: // CALL Llength
// s_push_i(Llength(s_pop()));
// break;
case CMD_BUILTIN_Lstring: { // CALL Lstring
void *val = s_pop();
void *str = Lstring((aint *)&val);
s_push(str);
break;
}
// case CMD_BUILTIN_Lstring: { // CALL Lstring
// void *val = s_pop();
// void *str = Lstring((aint *)&val);
// s_push(str);
// break;
// }
case CMD_BUILTIN_Barray: { // CALL Barray %d
size_t elem_count = ip_read_int(&s.ip);
// case CMD_BUILTIN_Barray: { // CALL Barray %d
// size_t elem_count = ip_read_int(&s.ip);
void **opr_buffer = (void**)(elem_count > BUFFER_SIZE
? alloc(elem_count * sizeof(void *))
: buffer);
for (size_t i = 0; i < elem_count; ++i) {
opr_buffer[elem_count - i - 1] = s_pop();
}
// void **opr_buffer = (void**)(elem_count > BUFFER_SIZE
// ? alloc(elem_count * sizeof(void *))
// : buffer);
// for (size_t i = 0; i < elem_count; ++i) {
// opr_buffer[elem_count - i - 1] = s_pop();
// }
// s_rotate_n(elem_count);
void *array =
Barray((aint *)opr_buffer,
BOX(elem_count)); // NOTE: not sure if elems should be
// added
// // s_rotate_n(elem_count);
// void *array =
// Barray((aint *)opr_buffer,
// BOX(elem_count)); // NOTE: not sure if elems should be
// // added
// void *array = Barray((aint *)s_peek(), BOX(elem_count));
s_push(array);
break;
}
// // void *array = Barray((aint *)s_peek(), BOX(elem_count));
// s_push(array);
// break;
// }
default:
s_failure(&s, "invalid opcode"); // %d-%d\n", h, l);
}
} break;
// default:
// s_failure(&s, "invalid opcode"); // %d-%d\n", h, l);
// }
// } break;
default:
s_failure(&s, "invalid opcode"); // %d-%d\n", h, l);

12
byterun/src/module_manager.cpp
View file

@ -154,7 +154,7 @@ struct StdFunc {
bool is_args = false; // one var for all args
bool is_vararg = false;
};
bool run_stdlib_func(const char *name) {
bool run_stdlib_func(const char *name, size_t args_count) {
static const std::unordered_map<std::string, StdFunc> std_func = {
{"Luppercase", {.ptr = (void (*)()) & Luppercase, .args_count = 1}},
{"Llowercase", {.ptr = (void (*)()) & Llowercase, .args_count = 1}},
@ -217,8 +217,14 @@ bool run_stdlib_func(const char *name) {
return false;
}
// TODO: stack safity check
// TODO: add stdlib func stack check to verification step
// TODO: move to bytecode verifier
if ((!it->second.is_vararg && it->second.args_count != args_count) ||
it->second.args_count > args_count) {
failure("RUNTIME ERROR: stdlib function <%s> argument count <%zu> is not "
"expected (expected is <%s%zu>)\n",
name, it->second.args_count, it->second.is_vararg ? ">=" : "=",
args_count);
}
// TODO: work with varargs
if (it->second.is_vararg) {

77
byterun/src/parser.cpp
View file

@ -219,16 +219,17 @@ const char *command_name(Cmd cmd, int8_t l) {
return "_UNDEF_PATT_";
}
return pats[l];
case Cmd::Lread:
return "CALL\tLread";
case Cmd::Lwrite:
return "CALL\tLwrite";
case Cmd::Llength:
return "CALL\tLlength";
case Cmd::Lstring:
return "CALL\tLstring";
case Cmd::Barray:
return "CALL\tBarray\t%d";
// NOTE: no longer used
// case Cmd::Lread:
// return "CALL\tLread";
// case Cmd::Lwrite:
// return "CALL\tLwrite";
// case Cmd::Llength:
// return "CALL\tLlength";
// case Cmd::Lstring:
// return "CALL\tLstring";
// case Cmd::Barray:
// return "CALL\tBarray\t%d";
case Cmd::_UNDEF_:
return "_UNDEF_";
}
@ -552,35 +553,37 @@ std::pair<Cmd, uint8_t> parse_command_impl(char **ip, const Bytefile &bf,
read_print_cmd_seq_opt<do_read_args, use_out>(cmd, l, ip, bf, out);
break;
case CMD_BUILTIN: {
switch (l) {
case CMD_BUILTIN_Lread: // CALL Lread
cmd = Cmd::Lread;
read_print_cmd_seq_opt<do_read_args, use_out>(cmd, l, ip, bf, out);
break;
case CMD_BUILTIN_Lwrite: // CALL Lwrite
cmd = Cmd::Lwrite;
read_print_cmd_seq_opt<do_read_args, use_out>(cmd, l, ip, bf, out);
break;
case CMD_BUILTIN_Llength: // CALL Llength
cmd = Cmd::Llength;
read_print_cmd_seq_opt<do_read_args, use_out>(cmd, l, ip, bf, out);
break;
case CMD_BUILTIN_Lstring: // CALL Lstring
cmd = Cmd::Lstring;
read_print_cmd_seq_opt<do_read_args, use_out>(cmd, l, ip, bf, out);
break;
// NOTE: no longer used
// case CMD_BUILTIN: {
// switch (l) {
// case CMD_BUILTIN_Lread: // CALL Lread
// cmd = Cmd::Lread;
// read_print_cmd_seq_opt<do_read_args, use_out>(cmd, l, ip, bf, out);
// break;
// case CMD_BUILTIN_Lwrite: // CALL Lwrite
// cmd = Cmd::Lwrite;
// read_print_cmd_seq_opt<do_read_args, use_out>(cmd, l, ip, bf, out);
// break;
// case CMD_BUILTIN_Llength: // CALL Llength
// cmd = Cmd::Llength;
// read_print_cmd_seq_opt<do_read_args, use_out>(cmd, l, ip, bf, out);
// break;
// case CMD_BUILTIN_Lstring: // CALL Lstring
// cmd = Cmd::Lstring;
// read_print_cmd_seq_opt<do_read_args, use_out>(cmd, l, ip, bf, out);
// break;
case CMD_BUILTIN_Barray: // CALL Barray %d
cmd = Cmd::Barray;
read_print_cmd_seq_opt<do_read_args, use_out, ArgT::INT>(cmd, l, ip, bf,
out);
break;
// case CMD_BUILTIN_Barray: // CALL Barray %d
// cmd = Cmd::Barray;
// read_print_cmd_seq_opt<do_read_args, use_out, ArgT::INT>(cmd, l, ip,
// bf,
// out);
// break;
default:
failure("invalid opcode");
}
} break;
// default:
// failure("invalid opcode");
// }
// } break;
default:
failure("invalid opcode");

14
src/SM.ml
View file

@ -275,17 +275,17 @@ module ByteCode = struct
add_fixup s;
add_ints [ 0 ]
(* 0x70 *)
| CALL (f, _, _) when f = labeled "read" -> add_bytes [ (7 * 16) + 0 ]
(* | CALL (f, _, _) when f = labeled "read" -> add_bytes [ (7 * 16) + 0 ] *)
(* 0x71 *)
| CALL (f, _, _) when f = labeled "write" -> add_bytes [ (7 * 16) + 1 ]
(* | CALL (f, _, _) when f = labeled "write" -> add_bytes [ (7 * 16) + 1 ] *)
(* 0x72 *)
| CALL (f, _, _) when f = labeled "length" -> add_bytes [ (7 * 16) + 2 ]
(* | CALL (f, _, _) when f = labeled "length" -> add_bytes [ (7 * 16) + 2 ] *)
(* 0x73 *)
| CALL (f, _, _) when f = labeled "string" -> add_bytes [ (7 * 16) + 3 ]
(* | CALL (f, _, _) when f = labeled "string" -> add_bytes [ (7 * 16) + 3 ] *)
(* 0x74 *)
| CALL (".array", n, _) ->
add_bytes [ (7 * 16) + 4 ];
add_ints [ n ]
(* | CALL (".array", n, _) -> *)
(* add_bytes [ (7 * 16) + 4 ]; *)
(* add_ints [ n ] *)
(* 0x52 n:32 n:32 *)
| BEGIN (_, a, l, [], _, _) ->
add_bytes [ (5 * 16) + 2 ];